I cannot find which card this is.
I’ve seen in an image on a blog post that someone has a card which shows a toggle to turn on and off plugs or appliances, but it also shows data from that device. For example, a plug may show wattage and voltage alongside the toggle, or a fridge appliance shows temperature and humidity beside the power toggle.
The blog is here.
And here is the image in their blog:
I cannot find what card this is, and it doesn’t specify in the blog post. Can anyone suggest how I can make this myself?